JP5011611B2 - 半導体装置 - Google Patents

半導体装置 Download PDF

Info

Publication number
JP5011611B2
JP5011611B2 JP2001176499A JP2001176499A JP5011611B2 JP 5011611 B2 JP5011611 B2 JP 5011611B2 JP 2001176499 A JP2001176499 A JP 2001176499A JP 2001176499 A JP2001176499 A JP 2001176499A JP 5011611 B2 JP5011611 B2 JP 5011611B2
Authority
JP
Japan
Prior art keywords
conductivity type
semiconductor device
guard ring
well region
type guard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP2001176499A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002368215A (ja
Inventor
龍彦 藤平
小林  孝
和 阿部
康 新村
正範 井上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP2001176499A priority Critical patent/JP5011611B2/ja
Priority to TW091112558A priority patent/TW556347B/zh
Priority to DE10225864A priority patent/DE10225864B4/de
Priority to CNB021243328A priority patent/CN1299365C/zh
Priority to US10/170,216 priority patent/US6943410B2/en
Publication of JP2002368215A publication Critical patent/JP2002368215A/ja
Application granted granted Critical
Publication of JP5011611B2 publication Critical patent/JP5011611B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/7801DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
    • H01L29/7802Vertical DMOS transistors, i.e. VDMOS transistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
    • H01L29/0603Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
    • H01L29/0607Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
    • H01L29/0611Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
    • H01L29/0615Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
    • H01L29/063Reduced surface field [RESURF] pn-junction structures
    • H01L29/0634Multiple reduced surface field (multi-RESURF) structures, e.g. double RESURF, charge compensation, cool, superjunction (SJ), 3D-RESURF, composite buffer (CB) structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
    • H01L29/0684Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
    • H01L29/0692Surface layout
    • H01L29/0696Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
    • H01L29/0603Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
    • H01L29/0607Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
    • H01L29/0611Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
    • H01L29/0615Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
    • H01L29/0619Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE] with a supplementary region doped oppositely to or in rectifying contact with the semiconductor containing or contacting region, e.g. guard rings with PN or Schottky junction
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
    • H01L29/08Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
    • H01L29/0843Source or drain regions of field-effect devices
    • H01L29/0847Source or drain regions of field-effect devices of field-effect transistors with insulated gate
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/40Electrodes ; Multistep manufacturing processes therefor
    • H01L29/402Field plates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/40Electrodes ; Multistep manufacturing processes therefor
    • H01L29/41Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
    • H01L29/423Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
    • H01L29/42312Gate electrodes for field effect devices
    • H01L29/42316Gate electrodes for field effect devices for field-effect transistors
    • H01L29/4232Gate electrodes for field effect devices for field-effect transistors with insulated gate
    • H01L29/42372Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
    • H01L29/4238Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out characterised by the surface lay-out
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Microelectronics & Electronic Packaging (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
JP2001176499A 2001-06-12 2001-06-12 半導体装置 Expired - Lifetime JP5011611B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2001176499A JP5011611B2 (ja) 2001-06-12 2001-06-12 半導体装置
TW091112558A TW556347B (en) 2001-06-12 2002-06-10 Semiconductor device
DE10225864A DE10225864B4 (de) 2001-06-12 2002-06-11 Halbleiterbauteil
CNB021243328A CN1299365C (zh) 2001-06-12 2002-06-12 半导体器件
US10/170,216 US6943410B2 (en) 2001-06-12 2002-06-12 High power vertical semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001176499A JP5011611B2 (ja) 2001-06-12 2001-06-12 半導体装置

Publications (2)

Publication Number Publication Date
JP2002368215A JP2002368215A (ja) 2002-12-20
JP5011611B2 true JP5011611B2 (ja) 2012-08-29

Family

ID=19017478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001176499A Expired - Lifetime JP5011611B2 (ja) 2001-06-12 2001-06-12 半導体装置

Country Status (5)

Country Link
US (1) US6943410B2 (zh)
JP (1) JP5011611B2 (zh)
CN (1) CN1299365C (zh)
DE (1) DE10225864B4 (zh)
TW (1) TW556347B (zh)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6980695B2 (en) * 2002-06-28 2005-12-27 Microsoft Corporation Rate allocation for mixed content video
US7026204B2 (en) * 2004-03-24 2006-04-11 Freescale Semiconductor, Inc. Transistor with reduced gate-to-source capacitance and method therefor
JP5114832B2 (ja) * 2004-09-02 2013-01-09 富士電機株式会社 半導体装置およびその製造方法
DE102005023668B3 (de) * 2005-05-23 2006-11-09 Infineon Technologies Ag Halbleiterbauelement mit einer Randstruktur mit Spannungsdurchbruch im linearen Bereich
RU2407107C2 (ru) * 2005-05-24 2010-12-20 Абб Швайц Аг Полупроводниковый прибор с изолированным затвором
WO2007012490A2 (de) * 2005-07-27 2007-02-01 Infineon Technologies Austria Ag Halbleiterbauelement mit einer driftzone und einer driftsteuerzone
JP4412335B2 (ja) 2007-02-23 2010-02-10 株式会社デンソー 炭化珪素半導体装置の製造方法
JP4620075B2 (ja) 2007-04-03 2011-01-26 株式会社東芝 電力用半導体素子
JP2008277353A (ja) * 2007-04-25 2008-11-13 Matsushita Electric Ind Co Ltd 半導体装置
SG183740A1 (en) * 2009-02-20 2012-09-27 Semiconductor Energy Lab Semiconductor device and manufacturing method of the same
TWI398951B (zh) * 2009-03-13 2013-06-11 Univ Feng Chia 具分離式閘極垂直型金氧半電晶體元件結構及其製造方法
DE102010063728B4 (de) * 2009-12-28 2016-04-14 Fuji Electric Co., Ltd. Halbleitervorrichtung mit verbesserter Sperrspannungsfestigkeit
JP5616665B2 (ja) 2010-03-30 2014-10-29 ローム株式会社 半導体装置
JP5218474B2 (ja) * 2010-05-27 2013-06-26 富士電機株式会社 半導体装置
CN102064094B (zh) * 2010-11-10 2012-07-18 嘉兴斯达半导体股份有限公司 大厚度氧化层场板结构及其制造方法
US8659104B2 (en) * 2010-12-21 2014-02-25 Nxp B.V. Field-effect magnetic sensor
CN102244100B (zh) * 2011-06-28 2016-01-06 上海华虹宏力半导体制造有限公司 Mos功率半导体器件
US8836029B2 (en) * 2012-02-29 2014-09-16 Smsc Holdings S.A.R.L. Transistor with minimized resistance
JP6070526B2 (ja) * 2013-12-11 2017-02-01 豊田合成株式会社 半導体装置の製造方法
JP2015146368A (ja) * 2014-02-03 2015-08-13 株式会社東芝 半導体装置
JP5878216B2 (ja) * 2014-09-12 2016-03-08 ローム株式会社 半導体装置
WO2016185544A1 (ja) * 2015-05-18 2016-11-24 株式会社日立製作所 半導体装置および電力変換装置
DE102015108440B3 (de) * 2015-05-28 2016-10-06 Infineon Technologies Ag Streifenförmige elektrodenstruktur einschliesslich eines hauptteiles mit einer feldelektrode und eines die elektrodenstruktur abschliessenden endteiles
TWI620302B (zh) * 2017-06-06 2018-04-01 旺宏電子股份有限公司 半導體結構及其操作方法
US10833151B2 (en) 2017-06-07 2020-11-10 Macronix International Co., Ltd. Semiconductor structure and operation method thereof
JP7492415B2 (ja) * 2020-09-18 2024-05-29 株式会社東芝 半導体装置
CN115117151B (zh) * 2022-08-25 2023-01-10 深圳芯能半导体技术有限公司 一种具复合元胞结构的igbt芯片及其制作方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320194B2 (zh) 1972-04-20 1978-06-24
JPS5553462A (en) * 1978-10-13 1980-04-18 Int Rectifier Corp Mosfet element
US4593302B1 (en) * 1980-08-18 1998-02-03 Int Rectifier Corp Process for manufacture of high power mosfet laterally distributed high carrier density beneath the gate oxide
US4412242A (en) 1980-11-17 1983-10-25 International Rectifier Corporation Planar structure for high voltage semiconductor devices with gaps in glassy layer over high field regions
US4399449A (en) 1980-11-17 1983-08-16 International Rectifier Corporation Composite metal and polysilicon field plate structure for high voltage semiconductor devices
GB2131603B (en) 1982-12-03 1985-12-18 Philips Electronic Associated Semiconductor devices
US4974059A (en) * 1982-12-21 1990-11-27 International Rectifier Corporation Semiconductor high-power mosfet device
GB2134705B (en) 1983-01-28 1985-12-24 Philips Electronic Associated Semiconductor devices
US4672407A (en) 1984-05-30 1987-06-09 Kabushiki Kaisha Toshiba Conductivity modulated MOSFET
FR2581252B1 (fr) 1985-04-26 1988-06-10 Radiotechnique Compelec Composant semiconducteur du type planar a structure d'anneaux de garde, famille de tels composants et procede de realisation
JPS63310395A (ja) 1987-06-12 1988-12-19 Secoh Giken Inc 高速直流電動機
JPH0783123B2 (ja) * 1988-12-08 1995-09-06 富士電機株式会社 Mos型半導体装置
JPH0785562B2 (ja) 1989-03-20 1995-09-13 富士通株式会社 通信装置間の障害検出方式
JPH04127540A (ja) * 1990-09-19 1992-04-28 Nec Corp 絶縁ゲート電界効果トランジスタ
JP3417013B2 (ja) 1993-10-18 2003-06-16 株式会社デンソー 絶縁ゲート型バイポーラトランジスタ
US5345101A (en) 1993-06-28 1994-09-06 Motorola, Inc. High voltage semiconductor structure and method
EP0661753A1 (en) * 1994-01-04 1995-07-05 Motorola, Inc. Semiconductor structure with field limiting ring and method for making
US5723890A (en) * 1994-01-07 1998-03-03 Fuji Electric Co., Ltd. MOS type semiconductor device
JP2870402B2 (ja) 1994-03-10 1999-03-17 株式会社デンソー 絶縁ゲート型電界効果トランジスタ
JP3381490B2 (ja) * 1994-11-21 2003-02-24 富士電機株式会社 Mos型半導体装置

Also Published As

Publication number Publication date
JP2002368215A (ja) 2002-12-20
US6943410B2 (en) 2005-09-13
DE10225864B4 (de) 2011-06-16
US20030042549A1 (en) 2003-03-06
DE10225864A1 (de) 2002-12-19
CN1391289A (zh) 2003-01-15
CN1299365C (zh) 2007-02-07
TW556347B (en) 2003-10-01

Similar Documents

Publication Publication Date Title
JP5011611B2 (ja) 半導体装置
JP5578183B2 (ja) 半導体装置
JP5011612B2 (ja) 半導体装置
US11094808B2 (en) Semiconductor device
US9437728B2 (en) Semiconductor device
JP2000156503A (ja) Mosゲートデバイスおよびその製造プロセス
EP1266406B1 (en) Trench gate DMOS field-effect transistor
JP2010056510A (ja) 半導体装置
JP3591301B2 (ja) 半導体装置
JP7505217B2 (ja) 超接合半導体装置および超接合半導体装置の製造方法
WO2002065552A2 (en) Semiconductor devices and their peripheral termination
CN112216691A (zh) 一种集成箝位二极管的半导体功率器件
EP0749163B1 (en) MOS type semiconductor device
JP2020167230A (ja) 半導体装置
EP1634337A1 (en) Termination structures for semiconductor devices and the manufacture thereof
US20200212190A1 (en) Semiconductor device and method of manufacturing the same
JP5309427B2 (ja) 半導体装置
JP3846395B2 (ja) Mos型半導体装置
JP2024009372A (ja) 超接合半導体装置
EP1451878A2 (en) Transistor device
EP0849805A1 (en) MOS type semiconductor device
CN115458600A (zh) 具有改进的沟槽终端区和屏蔽栅沟槽接触区的功率器件
CN112864244A (zh) 超结器件
GB2403346A (en) Semiconductor device

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20060703

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20060704

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080515

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20081216

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20090219

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20091112

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20110422

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20111122

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120123

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120214

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120413

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20120508

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120521

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150615

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 5011611

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term